/* ================================================================
   Index v3 – Design Tokens & Critical Base Styles
   Used by: indexv3.html
   NOTE: All other styles are in css/style-v3.css
================================================================ */

/* DESIGN TOKENS */
:root {
  --c-primary:   #4f46e5;
  --c-primary-d: #3730a3;
  --c-primary-l: #818cf8;
  --c-accent:    #10b981;
  --c-accent-d:  #059669;
  --c-gold:      #f59e0b;
  --c-dark:      #06080f;
  --c-dark-2:    #0d1117;
  --c-dark-3:    #111827;
  --c-text:      #e2e8f0;
  --c-muted:     #94a3b8;
  --c-border:    rgba(255, 255, 255, .08);
  --c-card:      rgba(255, 255, 255, .04);
  --c-card-h:    rgba(255, 255, 255, .07);
  --radius-sm:   .5rem;
  --radius:      .875rem;
  --radius-lg:   1.25rem;
  --radius-xl:   1.75rem;
  --shadow:      0 4px 24px rgba(0,0,0,.35);
  --shadow-lg:   0 8px 48px rgba(0,0,0,.5);
  --transition:  all 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--c-dark);
  color: var(--c-text);
  line-height: 1.7;
  overflow-x: hidden;
}

.skip-nav {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--c-primary);
  color: #fff;
  padding: .75rem 1.5rem;
  z-index: 9999;
  font-weight: 700;
  font-size: .875rem;
  border-radius: 0 0 8px 0;
  transition: top .2s;
}
.skip-nav:focus { top: 0; }

h1, h2, h3, h4 { font-family: 'Sora', sans-serif; line-height: 1.15; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; letter-spacing: -.02em; }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); font-weight: 700; }

#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(145deg, #06080f 0%, #0c0f1f 35%, #111827 65%, #0a1628 100%);
  overflow: hidden;
  padding: 7rem 0 5rem;
}